961
CDUS41 KPHI 100545
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
145 AM EDT SUN MAY 10 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 9 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 59 6:48 PM 92 1936 72 -13 57
MINIMUM 46 11:38 PM 31 1947 48 -2 48
1956
AVERAGE 53 60 -7 53
PRECIPITATION (IN)
YESTERDAY 0.15 1.52 2025 0.12 0.03 1.52
MONTH TO DATE 0.63 1.03 -0.40 4.47
SINCE MAR 1 9.36 8.33 1.03 10.20
SINCE JAN 1 13.10 14.40 -1.30 13.53
SNOWFALL (IN)
YESTERDAY 0.0 T 1966 0.0 0.0 0.0
1977
2020
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 T 6.8 -6.8 0.0
SINCE JUL 1 35.5 33.1 2.4 17.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 12 6 6 12
MONTH TO DATE 89 63 26 23
SINCE MAR 1 1086 1220 -134 1019
SINCE JUL 1 5489 5179 310 5061
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 9 -7 10
SINCE MAR 1 32 17 15 11
SINCE JAN 1 32 17 15 11
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 10:00 PM
LOWEST 62 12:00 AM
AVERAGE 81
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 1979
MINIMUM TEMPERATURE (F) 49 28 1947
SUNRISE AND SUNSET
MAY 10 2026...........SUNRISE 5:50 AM EDT SUNSET 8:07 PM EDT
MAY 11 2026...........SUNRISE 5:49 AM EDT SUNSET 8:08 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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